package 面向对象高级.异常;

import java.util.Scanner;

public class Dome02 {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        try {
            System.out.println("请输入整数");
            int num=input.nextInt();
            //整数的阶乘
            int result=num*(num-1);
        }catch (Exception e){

        }
    }
}
